Convert double kb size into kb, mb, gb, tb, pb

file_size_parser.js

function (data) {
        const result = {
            size: -1,
            unit: "Unknown"
        };
        const units = ["KB", "MB", "GB", "TB", "PB"];
        let unitCount = 0;
        if (data) {
            try {
                let size = parseFloat(data);
                console.log("MHS : data parse  -> " + size)

                // `double | 0` converts double to int
                // loop will continue until size less then 1024
                while ((size / 1024 | 0) !== 0) {
                    size = size / 1024;
                    unitCount++;
                }
                result.size = size.toFixed(1);
                result.unit = units[unitCount];
            } catch (e) {
                result.unit = units[unitCount];
            }
        } else result.unit = units[unitCount];
        console.log(`MHS : FileSizeParserResult -> ${result}`);
        return result;

    }